MESON Chess Problem Database

Problem Display
PID: 268758 (Q7/2npr1n1/1NR2pRN/2Bbk2p/qp6/3PP3/2p4K/b7 w - - 0 1)

Svitek, Miroslav

Uris, Miguel

Problemas, 2020

Q7/2npr1n1/1NR2pRN/2Bbk2p/qp6/3PP3/2p4K/b7

#2

9 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Qxa1#
    • 1...Re6
      • 2.Sxd7#
    • 1...Re8
      • 2.Sxd7#
    • 1...Bd4
      • 2.Bxd4#
    • 1...Be6
      • 2.Bd6#
    • 1...Sce6
      • 2.Bd6#
    • 1...Sge6
      • 2.Bd6#
    • 1...f5
      • 2.Bd6#
  • Keys
    • 1.Rcxf6!
      • threat
        • 2.Bd6#
      • 1...Qc6
        • 2.Qxa1#
      • 1...Re6
        • 2.Sf7#
      • 1...Be6
        • 2.Qe4#
      • 1...Sb5
        • 2.Qxd5#
      • 1...Sce6
        • 2.Qxd5#
      • 1...Sce8
        • 2.Qxd5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Sge6
        • 2.Rf5#
      • 1...Sge8
        • 2.Rf5#
      • 1...d6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • Q(c);OGATE::QAB(I),XB(a)
    • R(k);N_GUARD::S(E),XP(j)
    • B(a);N_GUARD::B(D),XB(a)
    • B(e);SBLOCK::B(D)
    • S(i);SBLOCK::B(D)
    • S(l);SBLOCK::B(D)
    • P(h);::B(D)
  • Actual
    • R(F);XP(h)
    • Threat
      • B(D)
    • Vars
      • Q(c);OGATE::QAB(I),XB(a)
      • R(k);N_GUARD,S_CUTB(e)::S(H)
      • B(e);OGATE::QAR1(I)
      • S(i);N_GUARD::QAR1(I),XB(e)
      • S(l);N_GUARD::R1(F),XS(l)
      • S(l);N_GUARD::R1(F)
      • P(j);::B(D),XP(j)
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